$n \quad m$
4 7
176The sequence is following:
$d_{i, 1}$ | $d_{i, 2}$ | $d_{i, 3}$ | $d_{i, 4}$ | $d_{i, 5}$ | $d_{i, 6}$ | $d_{i, 7}$ | |
$d_1$ | 1 | 1 | 2 | 3 | 5 | 8 | 13 |
$d_2$ | 1 | 2 | 4 | 7 | 12 | 20 | 33 |
$d_3$ | 1 | 3 | 7 | 14 | 26 | 46 | 79 |
$d_4$ | 1 | 4 | 11 | 25 | 51 | 97 | 176 |
12 20
174174144
16 30
102292850You can calculate that $d_{16, 30} = 1,193,004,294,685$.